michael@0: /*
michael@0:  * ====================================================================
michael@0:  * Licensed to the Apache Software Foundation (ASF) under one
michael@0:  * or more contributor license agreements.  See the NOTICE file
michael@0:  * distributed with this work for additional information
michael@0:  * regarding copyright ownership.  The ASF licenses this file
michael@0:  * to you under the Apache License, Version 2.0 (the
michael@0:  * "License"); you may not use this file except in compliance
michael@0:  * with the License.  You may obtain a copy of the License at
michael@0:  *
michael@0:  *   http://www.apache.org/licenses/LICENSE-2.0
michael@0:  *
michael@0:  * Unless required by applicable law or agreed to in writing,
michael@0:  * software distributed under the License is distributed on an
michael@0:  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
michael@0:  * KIND, either express or implied.  See the License for the
michael@0:  * specific language governing permissions and limitations
michael@0:  * under the License.
michael@0:  * ====================================================================
michael@0:  *
michael@0:  * This software consists of voluntary contributions made by many
michael@0:  * individuals on behalf of the Apache Software Foundation.  For more
michael@0:  * information on the Apache Software Foundation, please see
michael@0:  * <http://www.apache.org/>.
michael@0:  *
michael@0:  */
michael@0: 
michael@0: package ch.boye.httpclientandroidlib.message;
michael@0: 
michael@0: import java.util.Iterator;
michael@0: 
michael@0: import ch.boye.httpclientandroidlib.Header;
michael@0: import ch.boye.httpclientandroidlib.HeaderIterator;
michael@0: import ch.boye.httpclientandroidlib.HttpMessage;
michael@0: import ch.boye.httpclientandroidlib.params.HttpParams;
michael@0: import ch.boye.httpclientandroidlib.params.BasicHttpParams;
michael@0: 
michael@0: /**
michael@0:  * Basic implementation of {@link HttpMessage}.
michael@0:  *
michael@0:  * @since 4.0
michael@0:  */
michael@0: public abstract class AbstractHttpMessage implements HttpMessage {
michael@0: 
michael@0:     protected HeaderGroup headergroup;
michael@0: 
michael@0:     protected HttpParams params;
michael@0: 
michael@0:     protected AbstractHttpMessage(final HttpParams params) {
michael@0:         super();
michael@0:         this.headergroup = new HeaderGroup();
michael@0:         this.params = params;
michael@0:     }
michael@0: 
michael@0:     protected AbstractHttpMessage() {
michael@0:         this(null);
michael@0:     }
michael@0: 
michael@0:     // non-javadoc, see interface HttpMessage
michael@0:     public boolean containsHeader(String name) {
michael@0:         return this.headergroup.containsHeader(name);
michael@0:     }
michael@0: 
michael@0:     // non-javadoc, see interface HttpMessage
michael@0:     public Header[] getHeaders(final String name) {
michael@0:         return this.headergroup.getHeaders(name);
michael@0:     }
michael@0: 
michael@0:     // non-javadoc, see interface HttpMessage
michael@0:     public Header getFirstHeader(final String name) {
michael@0:         return this.headergroup.getFirstHeader(name);
michael@0:     }
michael@0: 
michael@0:     // non-javadoc, see interface HttpMessage
michael@0:     public Header getLastHeader(final String name) {
michael@0:         return this.headergroup.getLastHeader(name);
michael@0:     }
michael@0: 
michael@0:     // non-javadoc, see interface HttpMessage
michael@0:     public Header[] getAllHeaders() {
michael@0:         return this.headergroup.getAllHeaders();
michael@0:     }
michael@0: 
michael@0:     // non-javadoc, see interface HttpMessage
michael@0:     public void addHeader(final Header header) {
michael@0:         this.headergroup.addHeader(header);
michael@0:     }
michael@0: 
michael@0:     // non-javadoc, see interface HttpMessage
michael@0:     public void addHeader(final String name, final String value) {
michael@0:         if (name == null) {
michael@0:             throw new IllegalArgumentException("Header name may not be null");
michael@0:         }
michael@0:         this.headergroup.addHeader(new BasicHeader(name, value));
michael@0:     }
michael@0: 
michael@0:     // non-javadoc, see interface HttpMessage
michael@0:     public void setHeader(final Header header) {
michael@0:         this.headergroup.updateHeader(header);
michael@0:     }
michael@0: 
michael@0:     // non-javadoc, see interface HttpMessage
michael@0:     public void setHeader(final String name, final String value) {
michael@0:         if (name == null) {
michael@0:             throw new IllegalArgumentException("Header name may not be null");
michael@0:         }
michael@0:         this.headergroup.updateHeader(new BasicHeader(name, value));
michael@0:     }
michael@0: 
michael@0:     // non-javadoc, see interface HttpMessage
michael@0:     public void setHeaders(final Header[] headers) {
michael@0:         this.headergroup.setHeaders(headers);
michael@0:     }
michael@0: 
michael@0:     // non-javadoc, see interface HttpMessage
michael@0:     public void removeHeader(final Header header) {
michael@0:         this.headergroup.removeHeader(header);
michael@0:     }
michael@0: 
michael@0:     // non-javadoc, see interface HttpMessage
michael@0:     public void removeHeaders(final String name) {
michael@0:         if (name == null) {
michael@0:             return;
michael@0:         }
michael@0:         for (Iterator i = this.headergroup.iterator(); i.hasNext(); ) {
michael@0:             Header header = (Header) i.next();
michael@0:             if (name.equalsIgnoreCase(header.getName())) {
michael@0:                 i.remove();
michael@0:             }
michael@0:         }
michael@0:     }
michael@0: 
michael@0:     // non-javadoc, see interface HttpMessage
michael@0:     public HeaderIterator headerIterator() {
michael@0:         return this.headergroup.iterator();
michael@0:     }
michael@0: 
michael@0:     // non-javadoc, see interface HttpMessage
michael@0:     public HeaderIterator headerIterator(String name) {
michael@0:         return this.headergroup.iterator(name);
michael@0:     }
michael@0: 
michael@0:     // non-javadoc, see interface HttpMessage
michael@0:     public HttpParams getParams() {
michael@0:         if (this.params == null) {
michael@0:             this.params = new BasicHttpParams();
michael@0:         }
michael@0:         return this.params;
michael@0:     }
michael@0: 
michael@0:     // non-javadoc, see interface HttpMessage
michael@0:     public void setParams(final HttpParams params) {
michael@0:         if (params == null) {
michael@0:             throw new IllegalArgumentException("HTTP parameters may not be null");
michael@0:         }
michael@0:         this.params = params;
michael@0:     }
michael@0: }